Speedster Dual Man Overspeed Chaser - Medium Resistance Includes 15' Medium Resistance Bungee, 2 Waist Belts & 1 X-Harness Effectively speed train 2 athletes at once. Bungee is covered with Safety Sleeve Technology which extends bungee life and protects athletes. Speedster is trusted by athletes, coaches, & trainers around the world. Made in the USA. Limited 1 Year Warranty.